The first allows you to draw a card at the end of your turn if either player lost four or more life in that turn, allowing you to draw a potential counterspell for your opponents upcoming turn
I do like that it's balanced by having packs with more rare pulls costing more of that currency, and have been using this feature to select a random card from pulls where I don't have any of the cards in my dex
Casting Cost: Card Type: Creature - Hound Shaman Power / Toughness: 2 / 1 Card Text: At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness
Ranking: Could Be Fun Neriv, Crackling Vanguard Neriv reminds me of a Mardu version of Gimbal, Gremlin Prodigy, but instead of making tokens, we get impulse draw, which lets us take full advantage of cards that want us to play cards from exile, like Pia Nalaar, Consul of Revival, Prosper, Tome-Bound, and Iraxxa, Empress of Mars
Here's this week's Instant Deck Techs : Andrea Mengucci took down Mythic Invitational (arena standard) with Esper Control and Mono-White Aggro
You can score huge deals on bigger lots once you feel comfortable in what youre looking at